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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2021-09-24 12:25:07 UTC
Update Date2021-09-24 12:25:07 UTC
HMDB IDHMDB0304787
Secondary Accession NumbersNone
Metabolite Identification
Common NamePhenylalanyl-Alanine
Descriptionphenylalanyl-alanine belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond. Based on a literature review very few articles have been published on phenylalanyl-alanine.
Structure
Thumb
Synonyms
ValueSource
F-a DipeptideHMDB
FA dipeptideHMDB
L-Phenylalanyl-L-alanineHMDB
Phe-alaHMDB
Phenylalanine alanine dipeptideHMDB
Phenylalanine-alanine dipeptideHMDB
PhenylalanylalanineHMDB
2-[(2-Amino-1-hydroxy-3-phenylpropylidene)amino]propanoateGenerator
Chemical FormulaC12H16N2O3
Average Molecular Weight236.267
Monoisotopic Molecular Weight236.116092388
IUPAC Name2-[(2-amino-1-hydroxy-3-phenylpropylidene)amino]propanoic acid
Traditional Name2-[(2-amino-1-hydroxy-3-phenylpropylidene)amino]propanoic acid
CAS Registry NumberNot Available
SMILES
CC(N=C(O)C(N)CC1=CC=CC=C1)C(O)=O
InChI Identifier
InChI=1S/C12H16N2O3/c1-8(12(16)17)14-11(15)10(13)7-9-5-3-2-4-6-9/h2-6,8,10H,7,13H2,1H3,(H,14,15)(H,16,17)
InChI KeyMIDZLCFIAINOQN-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentDipeptides
Alternative Parents
Substituents
  • Alpha-dipeptide
  • Phenylalanine or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • Alpha-amino acid amide
  • Alanine or derivatives
  • Alpha-amino acid or derivatives
  • Amphetamine or derivatives
  • Aralkylamine
  • Fatty amide
  • Benzenoid
  • Monocyclic benzene moiety
  • Fatty acyl
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Amino acid or derivatives
  • Amino acid
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic nitrogen compound
  • Primary aliphatic amine
  • Organonitrogen compound
  • Organooxygen compound
  • Primary amine
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Amine
  • Organic oxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
logP-1.7ALOGPS
logP-1.1ChemAxon
logS-2.6ALOGPS
pKa (Strongest Acidic)3.43ChemAxon
pKa (Strongest Basic)9.53ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area95.91 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity62.94 m³·mol⁻¹ChemAxon
Polarizability24.8 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
AllCCS[M+H]+155.2832859911
AllCCS[M+H-H2O]+151.64632859911
AllCCS[M+Na]+159.62432859911
AllCCS[M+NH4]+158.65432859911
AllCCS[M-H]-155.46432859911
AllCCS[M+Na-2H]-155.89132859911
AllCCS[M+HCOO]-156.46532859911
DeepCCS[M+H]+148.86330932474
DeepCCS[M-H]-146.50530932474
DeepCCS[M-2H]-180.47430932474
DeepCCS[M+Na]+155.21930932474

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 202210.1981 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20226.83 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid770.9 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid239.6 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid94.5 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid166.9 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid73.5 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid280.5 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid302.1 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)533.2 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid695.7 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid282.8 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid717.4 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid178.2 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid229.9 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate366.1 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA388.6 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water134.0 seconds40023050

Predicted Kovats Retention Indices

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Phenylalanyl-Alanine,3TMS,isomer #1CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N[Si](C)(C)C)C(=O)O[Si](C)(C)C2041.3Semi standard non polar33892256
Phenylalanyl-Alanine,3TMS,isomer #1CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N[Si](C)(C)C)C(=O)O[Si](C)(C)C2110.5Standard non polar33892256
Phenylalanyl-Alanine,3TMS,isomer #1CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N[Si](C)(C)C)C(=O)O[Si](C)(C)C2520.2Standard polar33892256
Phenylalanyl-Alanine,3TMS,isomer #2CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O2243.0Semi standard non polar33892256
Phenylalanyl-Alanine,3TMS,isomer #2CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O2203.8Standard non polar33892256
Phenylalanyl-Alanine,3TMS,isomer #2CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O2761.7Standard polar33892256
Phenylalanyl-Alanine,3TMS,isomer #3CC(N=C(O)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O[Si](C)(C)C2250.2Semi standard non polar33892256
Phenylalanyl-Alanine,3TMS,isomer #3CC(N=C(O)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O[Si](C)(C)C2211.8Standard non polar33892256
Phenylalanyl-Alanine,3TMS,isomer #3CC(N=C(O)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O[Si](C)(C)C2680.1Standard polar33892256
Phenylalanyl-Alanine,4TMS,isomer #1CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O[Si](C)(C)C2249.7Semi standard non polar33892256
Phenylalanyl-Alanine,4TMS,isomer #1CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O[Si](C)(C)C2238.3Standard non polar33892256
Phenylalanyl-Alanine,4TMS,isomer #1CC(N=C(O[Si](C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C)[Si](C)(C)C)C(=O)O[Si](C)(C)C2455.5Standard polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #1CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2648.0Semi standard non polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #1CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2636.7Standard non polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #1CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2832.7Standard polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #2CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O2882.6Semi standard non polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #2CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O2717.3Standard non polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #2CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O2993.2Standard polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #3CC(N=C(O)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2843.8Semi standard non polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #3CC(N=C(O)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2786.5Standard non polar33892256
Phenylalanyl-Alanine,3TBDMS,isomer #3CC(N=C(O)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2952.0Standard polar33892256
Phenylalanyl-Alanine,4TBDMS,isomer #1CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C3074.8Semi standard non polar33892256
Phenylalanyl-Alanine,4TBDMS,isomer #1CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2924.8Standard non polar33892256
Phenylalanyl-Alanine,4TBDMS,isomer #1CC(N=C(O[Si](C)(C)C(C)(C)C)C(CC1=CC=CC=C1)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2806.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Phenylalanyl-Alanine GC-MS (Non-derivatized) - 70eV, Positivesplash10-00dl-6900000000-c85970fd47854fc74e0f2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Phenylalanyl-Alanine GC-MS (1 TMS) - 70eV, Positivesplash10-00di-7910000000-d4f274150143f21aa90d2017-10-06Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 10V, Positive-QTOFsplash10-00rl-1980000000-e0d3e96957bbf94c799a2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 20V, Positive-QTOFsplash10-0fdo-4900000000-63be2ab5de8b4623a6802017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 40V, Positive-QTOFsplash10-0006-9700000000-180a8aa799cf85122ed12017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 10V, Negative-QTOFsplash10-000i-0190000000-46f5fe31db9600dca7812017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 20V, Negative-QTOFsplash10-000i-9680000000-1b311bdca534c802be6f2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 40V, Negative-QTOFsplash10-00dr-9400000000-cb47f901d18acc5e84af2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 10V, Negative-QTOFsplash10-00kr-2290000000-7422b1039795a7f6ea132021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 20V, Negative-QTOFsplash10-0006-9500000000-fd3f4f4a18fe1a4bfe742021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 40V, Negative-QTOFsplash10-0006-9200000000-07ccdc78222cdda766df2021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 10V, Positive-QTOFsplash10-00dl-1900000000-d09dbb6e34fdfd0a261c2021-10-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 20V, Positive-QTOFsplash10-0006-9600000000-1afe7db7e6e0777229bf2021-10-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Phenylalanyl-Alanine 40V, Positive-QTOFsplash10-0006-9400000000-ddc8f89a3a90c5a0e0382021-10-22Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB098220
KNApSAcK IDNot Available
Chemspider ID312587
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound352040
PDB IDNot Available
ChEBI ID173694
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available